CometC/2013 US10 (Catalina)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2015-12-23 05:45:00
ToolTelescope
Observation's placeIpswich
Magnitude5.7
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')10
Tail's length0.6°
Condensation5
Positional angle of tail152
Bortl's scaleNot set
Aperture11.4 cm
Focal length (mm)8
Type of toolL - Newtonian reflector
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
Lm6
Comment
Morris Format2015 Dec 23.24 UT: m1=5.7, Dia.=10', DC=5, Tail: 0.6 deg, in PA 152 deg ...11.4-cm L ...Neil Norman (Ipswich, England)